Browse Health
Internist, Cardiologist (heart)
9 years of experience
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. Katy Lonergan:

View the full profile to get information on:

  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (0)

The overall average patient rating of Dr. Katy Lonergan is Excellent. Dr. Lonergan has been reviewed by 1 patients who have provided 0 comments. The rating is 5 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Katy Lonergan, MD is board certified in Internal Medicine and Cardiovascular Disease.

  • She has special expertise in 16 areas:
  • Acute Coronary Syndrome (ACS)
  • Atherosclerosis
  • Bradycardia
  • Cholesterol Management
  • Congenital Heart Disease (Patent Ductus Arteriosus)
  • Coronary Artery Disease (CAD)
  • Diabetes
  • Echocardiography
  • Endocarditis
  • Heart Block
  • Heart Failure
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Patent Foramen Ovale
  • Stress Testing
  • Unstable Angina

Education & Awards

Dr. Lonergan graduated from Johns Hopkins University, Baltimore.


Dr. Lonergan has 2 hospital affiliations:

  • UCSF Medical Center / Moffitt-Long Hospitals 
  • UT Southwestern University Hospital - St. Paul 


  • English

> > > > Dr. Katy Lonergan, MD

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Additional Information
Dr. Katy Lease Lonergan MD is a female Internist, has 9 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. Katy L. Lonergan practice?
Dr. Katy Lonergan has 1 office location.
Dr. Katy Lonergan practices Internal Medicine and Cardiovascular Disease near Dallas, TX.
See Dallas Internists and Dallas Cardiologists.